#include <stdio.h>
#include <string.h>
#include <unistd.h>

int main()
{
  const char* s1="hello write()\n"; 
  write(1,s1,strlen(s1));

  const char* s2="hello fprintf()\n";
  fprintf(stdout,"%s",s2);

  const char* s3="hello fwrite()\n";
  fwrite(s3,strlen(s3),1,stdout);
  
  fork();

  return 0;
}
